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authorAlexandre Torgue <alexandre.torgue@st.com>2017-10-16 13:45:58 +0200
committerAlexandre Torgue <alexandre.torgue@st.com>2017-10-16 14:01:25 +0200
commit162d58c26d65e1486d18436eb151148a7f9886e5 (patch)
tree4f581ff9db37769ff68f627a3367c94220907f87 /arch/arm/boot/dts/stm32f746.dtsi
parentARM: dts: stm32: Enable STM32H743 clock driver (diff)
downloadlinux-dev-162d58c26d65e1486d18436eb151148a7f9886e5.tar.xz
linux-dev-162d58c26d65e1486d18436eb151148a7f9886e5.zip
ARM: dts: stm32: change pinctrl bindings definition
Initially each pin was declared in "include/dt-bindings/stm32<SOC>-pinfunc.h" and each definition contained SOC names (ex: STM32F429_PA9_FUNC_USART1_TX). Since this approach was approved, the number of supported MCU has increased (STM32F429/STM32F469/STM32f746/STM32H743). To avoid to add a new file in "include/dt-bindings" each time a new STM32 SOC arrives I propose a new approach which consist to use a macro to define pin muxing in device tree. All STM32 will use the common macro to define pinmux. Furthermore, it will make STM32 maintenance and integration of new SOC easier . Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com> Reviewed-by: Vikas MANOCHA <vikas.manocha@st.com> Reviewed-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'arch/arm/boot/dts/stm32f746.dtsi')
-rw-r--r--arch/arm/boot/dts/stm32f746.dtsi16
1 files changed, 8 insertions, 8 deletions
diff --git a/arch/arm/boot/dts/stm32f746.dtsi b/arch/arm/boot/dts/stm32f746.dtsi
index 73bf8c1529a1..faaeca803943 100644
--- a/arch/arm/boot/dts/stm32f746.dtsi
+++ b/arch/arm/boot/dts/stm32f746.dtsi
@@ -42,7 +42,7 @@
#include "skeleton.dtsi"
#include "armv7-m.dtsi"
-#include <dt-bindings/pinctrl/stm32f746-pinfunc.h>
+#include <dt-bindings/pinctrl/stm32-pinfunc.h>
#include <dt-bindings/clock/stm32fx-clock.h>
#include <dt-bindings/mfd/stm32f7-rcc.h>
@@ -619,7 +619,7 @@
cec_pins_a: cec@0 {
pins {
- pinmux = <STM32F746_PA15_FUNC_HDMI_CEC>;
+ pinmux = <STM32_PINMUX('A', 15, AF4)>; /* HDMI CEC */
slew-rate = <0>;
drive-open-drain;
bias-disable;
@@ -628,34 +628,34 @@
usart1_pins_a: usart1@0 {
pins1 {
- pinmux = <STM32F746_PA9_FUNC_USART1_TX>;
+ pinmux = <STM32_PINMUX('A', 9, AF7)>; /* USART1_TX */
bias-disable;
drive-push-pull;
slew-rate = <0>;
};
pins2 {
- pinmux = <STM32F746_PA10_FUNC_USART1_RX>;
+ pinmux = <STM32_PINMUX('A', 10, AF7)>; /* USART1_RX */
bias-disable;
};
};
usart1_pins_b: usart1@1 {
pins1 {
- pinmux = <STM32F746_PA9_FUNC_USART1_TX>;
+ pinmux = <STM32_PINMUX('A', 9, AF7)>; /* USART1_TX */
bias-disable;
drive-push-pull;
slew-rate = <0>;
};
pins2 {
- pinmux = <STM32F746_PB7_FUNC_USART1_RX>;
+ pinmux = <STM32_PINMUX('B', 7, AF7)>; /* USART1_RX */
bias-disable;
};
};
i2c1_pins_b: i2c1@0 {
pins {
- pinmux = <STM32F746_PB9_FUNC_I2C1_SDA>,
- <STM32F746_PB8_FUNC_I2C1_SCL>;
+ pinmux = <STM32_PINMUX('B', 9, AF4)>, /* I2C1 SDA */
+ <STM32_PINMUX('B', 8, AF4)>; /* I2C1 SCL */
bias-disable;
drive-open-drain;
slew-rate = <0>;